Re: Can I define distances between points in Librecad 2.1.3?
Posted by
rkim777 on
Jun 25, 2020; 10:41am
URL: https://forum.librecad.org/Can-I-define-distances-between-points-in-Librecad-2-1-3-tp5719156p5719158.html
Thank you, Armin.
Is there a way in Librecad to click 2 points and set the distance between them? I know the actual pool is 24 feet in diameter so I could click a point from one side to the other and set it as 24 feet if such capability exists in Librecad.
The distortion from the camera lens is annoying for sure. My plans are rough at this stage of planning, though, so for this purpose I can ignore it. Thank you for the great idea to use Gimp for when I refine the plans.
- Bob
On Thu, Jun 25, 2020, 2:20 AM LordOfBikes [via LibreCAD] <
[hidden email]> wrote:
This is basically no problem. You just have to measure the current diameter of the pool in the drawing and calculate the scale factor. Then scale the image, that you have 1:1 scale or possibly 1:10.
But consider the distortion in the image. The camera optic has a wide angle, the farther the distance to the center is, the bigger is the distortion. Also the height matters. The pool or tents have different scales depending where you measure them, on the floor or on their top.
What I would do is to place some poles or stone tiles around the pool in a 30 or 40 feet square for the picture. Then use GIMP to correct barrel and rhombus distortion before the LibreCAD import.
But this will be still an approximation and absolutely need some real world proof when the plans are finished.
Armin
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NAML